英语词汇“mackinawite”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

mackinawite

释义

mackinawite Min.|ˈmækɪnɔːaɪt|
[f. Mackinaw, the name of a mine in Snohomish County, Washington + -ite¹.]
A black tetragonal iron sulphide.
1962H. T. Evans et al. in Program Ann. Meetings Geol. Soc. Amer. 47A Recently, another iron sulfide mineral, mackinawite, very similar in physical properties, to val⁓leriite, but containing no copper.., has been identified from the Mackinaw Mine, Snohomish County, Washington.1969Amer. Mineralogist LIV. 1190 Information about the occurrence, optical properties, microhardness and cell-size is given for a nickelian mackinawite (Fe 38·1%, Co 3·3%, Ni 18·7%) from Vlakfontein in the Transvaal.Ibid., This mackinawite was examined in reflected light in both air and oil. It shows the very strong pleochroism and anisotropy characteristic of this mineral.1970Nature 15 Aug. 700/1 Modern surface sediments containing H₂S are often coloured black by fine grained, iron monosulphide minerals such as mackinawite, Fe_1+xS, and greigite, Fe₃S₄.

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